5513607381 has 8 divisors (see below), whose sum is σ = 7352830144. Its totient is φ = 3675061440.

The previous prime is 5513607377. The next prime is 5513607391. The reversal of 5513607381 is 1837063155.

It is a happy number.

5513607381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5513607381 - 2² = 5513607377 is a prime.

It is a super-2 number, since 2×5513607381² = 60799732703635358322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513607391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149881 + ... + 183006.

It is an arithmetic number, because the mean of its divisors is an integer number (919103768).

Almost surely, 2^5513607381 is an apocalyptic number.

It is an amenable number.

5513607381 is a deficient number, since it is larger than the sum of its proper divisors (1839222763).

5513607381 is a wasteful number, since it uses less digits than its factorization.

5513607381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338411.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 5513607381 is about 74253.6691416660. The cubic root of 5513607381 is about 1766.6286898486.

The spelling of 5513607381 in words is "five billion, five hundred thirteen million, six hundred seven thousand, three hundred eighty-one".